<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>My App</title>
</head>
<body>
    <h1>Welcome to my app</h1>
    <p><a href="{% url 'myapp:hello_django' %}">Hello Django</a></p>
    <p><a href="{% url 'myapp:add_numbers' 3 5 %}">Add Numbers</a></p>
    <p><a href="{% url 'myapp:post_view' 123 %}">Post View</a></p>
</body>
</html>